EP1351400A3 - Circuit de commutation de gain à quatre étages - Google Patents

Circuit de commutation de gain à quatre étages Download PDF

Info

Publication number
EP1351400A3
EP1351400A3 EP03007345A EP03007345A EP1351400A3 EP 1351400 A3 EP1351400 A3 EP 1351400A3 EP 03007345 A EP03007345 A EP 03007345A EP 03007345 A EP03007345 A EP 03007345A EP 1351400 A3 EP1351400 A3 EP 1351400A3
Authority
EP
European Patent Office
Prior art keywords
conduction path
signal
analog input
gain
coupled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP03007345A
Other languages
German (de)
English (en)
Other versions
EP1351400A2 (fr
Inventor
Harry S. Harberts
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northrop Grumman Corp
Original Assignee
Northrop Grumman Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northrop Grumman Corp filed Critical Northrop Grumman Corp
Publication of EP1351400A2 publication Critical patent/EP1351400A2/fr
Publication of EP1351400A3 publication Critical patent/EP1351400A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H03M1/188—Multi-path, i.e. having a separate analogue/digital converter for each possible range
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/001—Digital control of analog signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Attenuators (AREA)
  • Amplifiers (AREA)
EP03007345A 2002-04-02 2003-04-01 Circuit de commutation de gain à quatre étages Withdrawn EP1351400A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US114699 2002-04-02
US10/114,699 US6703899B2 (en) 2002-04-02 2002-04-02 Quad switched gain circuit

Publications (2)

Publication Number Publication Date
EP1351400A2 EP1351400A2 (fr) 2003-10-08
EP1351400A3 true EP1351400A3 (fr) 2004-03-03

Family

ID=28041057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03007345A Withdrawn EP1351400A3 (fr) 2002-04-02 2003-04-01 Circuit de commutation de gain à quatre étages

Country Status (3)

Country Link
US (1) US6703899B2 (fr)
EP (1) EP1351400A3 (fr)
JP (1) JP2003332865A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12273085B2 (en) 2021-06-18 2025-04-08 Socionext Inc. Attenuation circuitry

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005244276A (ja) * 2004-02-24 2005-09-08 Oki Electric Ind Co Ltd 差動増幅回路
US7236682B2 (en) * 2004-10-01 2007-06-26 Finisar Corporation Optical return loss measurement
DE102005008274A1 (de) * 2005-02-23 2006-08-24 Infineon Technologies Ag Steuerbarer Verstärker und Verfahren zum Verstärken eines Signals
US20060258319A1 (en) * 2005-05-10 2006-11-16 Bernd Wuppermann Integrated wide bandwidth attenuating-and-amplifying circuit
JP5859168B2 (ja) * 2013-03-04 2016-02-10 三菱電機株式会社 エンファシス回路
US8742846B1 (en) 2013-03-14 2014-06-03 Hittite Microwave Corporation Selectable gain differential amplifier
US10925008B2 (en) 2015-08-11 2021-02-16 Comcast Cable Communications, Llc Network performance in high density environments

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0322803A2 (fr) * 1987-12-24 1989-07-05 Fujitsu Limited Amplificateur à commande automatique de gain pour compenser l'atténuation d'un câble
US5352987A (en) * 1993-07-21 1994-10-04 Elantec, Inc. Analog multiplexer
EP0620639A1 (fr) * 1993-04-06 1994-10-19 STMicroelectronics S.r.l. Amplificateur à gain variable en cas de tension d'alimentation basse
US5861831A (en) * 1996-12-23 1999-01-19 Analog Devices, Inc. Intermediate frequency (IF) sampling clock-to-clock auto-ranging analog-to-digital converter (ADC) and method
US5867778A (en) * 1997-12-24 1999-02-02 Northern Telecom Limited Switched gain element
US5903185A (en) * 1996-12-20 1999-05-11 Maxim Integrated Products, Inc. Hybrid differential pairs for flat transconductance
US5926068A (en) * 1997-10-16 1999-07-20 Kabushiki Kaisha Toshiba Variable gain amplifier or analog multiplexer with feedforward current blocking
WO2001093437A1 (fr) * 2000-05-30 2001-12-06 Motorola, Inc. Systeme de commande de gain automatique numerise et procedes destines a un recepteur de gain commande

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02134006A (ja) * 1988-11-14 1990-05-23 Nec Corp 増幅回路
US5903191A (en) * 1998-01-23 1999-05-11 Analog Devices, Inc. Digitally controlled variable transconductance amplifier system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0322803A2 (fr) * 1987-12-24 1989-07-05 Fujitsu Limited Amplificateur à commande automatique de gain pour compenser l'atténuation d'un câble
EP0620639A1 (fr) * 1993-04-06 1994-10-19 STMicroelectronics S.r.l. Amplificateur à gain variable en cas de tension d'alimentation basse
US5352987A (en) * 1993-07-21 1994-10-04 Elantec, Inc. Analog multiplexer
US5903185A (en) * 1996-12-20 1999-05-11 Maxim Integrated Products, Inc. Hybrid differential pairs for flat transconductance
US5861831A (en) * 1996-12-23 1999-01-19 Analog Devices, Inc. Intermediate frequency (IF) sampling clock-to-clock auto-ranging analog-to-digital converter (ADC) and method
US5926068A (en) * 1997-10-16 1999-07-20 Kabushiki Kaisha Toshiba Variable gain amplifier or analog multiplexer with feedforward current blocking
US5867778A (en) * 1997-12-24 1999-02-02 Northern Telecom Limited Switched gain element
WO2001093437A1 (fr) * 2000-05-30 2001-12-06 Motorola, Inc. Systeme de commande de gain automatique numerise et procedes destines a un recepteur de gain commande

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12273085B2 (en) 2021-06-18 2025-04-08 Socionext Inc. Attenuation circuitry

Also Published As

Publication number Publication date
EP1351400A2 (fr) 2003-10-08
JP2003332865A (ja) 2003-11-21
US6703899B2 (en) 2004-03-09
US20030184377A1 (en) 2003-10-02

Similar Documents

Publication Publication Date Title
WO2001047109A3 (fr) Circuit d'entree de signaux differentiels basse tension (lvds)
EP0645899A3 (fr) Dispositif de communication mobile avec commande de puissance linéaire sur une grande gamme dynamique
ATE397319T1 (de) Gigabit ethernet senderempfänger mit analoger eingangsschaltung
WO2001013513A8 (fr) Attenuateur logarithmique differentiel a cmos programmable a faible bruit commande en tension et procede
EP1237297A3 (fr) Terminal de radiocommunication et circuit de régulation de gain pour ledit terminal
EP1193863A3 (fr) Circuit amplificateur
JP2000151310A5 (fr)
EP1351400A3 (fr) Circuit de commutation de gain à quatre étages
CA2139717A1 (fr) Amplificateur a semiconducteur multi-etage simulant la distorsion produite par les tubes a vide
CN101485083B (zh) 具有dB线性增益特性的可变增益放大器
EP1928087A1 (fr) Circuit amplificateur à gain variable
WO2003019774A3 (fr) Circuit amplificateur de puissance haute frequence
AU2003260008A1 (en) System and method for establishing the input impedance of an amplifier in a stacked configuration
DE3875681D1 (de) Schaltungsanordnung zur unterdrueckung von stoergeraeuschen.
EP1048957A3 (fr) Dispositif de circuit intégré avec circuit de mesure des paramètres de fabrication
KR920001858A (ko) D/a 컨버터
JPS6282704A (ja) 増幅回路
KR910007236A (ko) 제1 및 제2증폭기를 구비한 리시버(receiver)회로
KR101007579B1 (ko) 증폭기 장치, 방송 무선 수신기, 및 데이터 신호용 수신기
KR890004967Y1 (ko) 비데오 시스템의 절환회로
JPH10303656A (ja) アナログ信号選択回路
JPS59148411A (ja) 増幅回路
KR900015440A (ko) 차동 증폭기
WO2004070692A3 (fr) Reduction de brillance au moyen d'une table gamma de partage
TW361009B (en) Variable gain amplifier circuit

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NORTHROP GRUMMAN CORPORATION

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO

17P Request for examination filed

Effective date: 20040726

AKX Designation fees paid

Designated state(s): DE FI FR

17Q First examination report despatched

Effective date: 20050419

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20050830